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  1. ↑ Walsh, Robb (November 20, 2008). "Thanksgiving Slumming with Cream of Mushroom Soup". Eating Our Words: The Houston Press Food Blog. Houston Press. Diarkibkan daripada asal pada 2009-04-23. Dicapai 2009-04-09. Then he said something I’ve never forgotten, ‘Campbell’s Cream of Mushroom Soup is America’s béchamel.’ 
  2. ↑ Gray, P.J.; Hunter, Stanley (October 1, 2003). Bear Cookin': The Original Guide to Bear Comfort Foods. Haworth Press Inc. m/s. 70. ISBN 1-56023-426-1.